RAMPANT
(especially of something unwelcome) flourishing or spreading unchecked
(of an animal) represented standing on one hind foot with its forefeet in the air (typically in profile, facing the dexter side, with right hind foot and tail raised)
(of an animal) represented standing on one hind foot with its forefeet in the air (typically in profile, facing the dexter side, with right hind foot and tail raised)